If you receive a CP400 (individuals) or CP401 (businesses) letter, it explains that your case has been received in Appeals. The letter states that you can expect to be contacted within 45 or 60 days, depending on your type of case.

Letter 5938 explains that we don't have a record of your tax returns and are requesting them to be filed.

This letter explains what’s missing or incomplete on Form 8038-CP which may delay processing of your return.

Letter 6417 explains the amount of advance Child Tax Credit payments a taxpayer will receive starting in July 2021.

This letter explains what’s missing or incomplete on Forms 8038-TC, 8038-B, or 8703 which may delay processing of your form.

Letter 2531 provides information reported on your tax return that doesn’t match information reported to us from third parties.

Letter 4310C is telling you someone may have attempted to impersonate you by using your name and Social Security number (SSN).

Letter 6475 helps EIP recipients determine if they’re eligible to claim the Recovery Rebate Credit on their 2021 tax year returns.

This letter provides information about taxpayers appeal rights regarding a change made to the amount of the Recovery Rebate Credit on their 2020 tax return.

This letter provides information about taxpayers appeal rights regarding a change made to the amount of the Recovery Rebate Credit on their 2020 tax return.